Clade Mammaliaformes Rowe 1988 [nom. cl. nov.]
   [crown] Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theriiformes (Rowe, 1988) M.C. McKenna & S.K. Bell, 1997 see Division Theriiformes
       Infraclass Holotheria (Wible et al., 1995) M.C. McKenna & S.K. Bell, 1997 see [unranked] Holotheria
         Superlegion Trechnotheria McKenna, 1975 see [unranked] Trechnotheria McKenna, 1975
           Legion Cladotheria McKenna, 1975 see [unranked] Cladotheria McKenna, 1975
             Sublegion Zatheria McKenna, 1975 see [unranked] Zatheria McKenna, 1975
               Infralegion Tribosphenida McKenna, 1975 see Sublegion Boreosphenida
                 Supercohort Theria (Parker & Haswell, 1897) M.C. McKenna & S.K. Bell, 1997 - therians see [unranked] Theria
                   Cohort Marsupialia - marsupials
                     Magnorder Australidelphia (Szalay, 1982) M.C. McKenna & S.K. Bell, 1997
                       Superorder Eometatheria (Simpson, 1970) M.C. McKenna & S.K. Bell, 1997
                         Grandorder Syndactyli (Gill, 1871) M.C. McKenna & S.K. Bell, 1997
                           Order Peramelia Ameghino, 1889 see Order Peramelemorphia Ameghino, 1889
                             Family Peroryctidae Groves & Flannery, in Seebeck et al., eds., 1990 see Family Peramelidae (Gray, 1825) Waterhouse, 1838
                               Subfamily Peroryctinae (Groves & Flannery, in Seebeck et al., eds., 1990) M.C. McKenna & S.K. Bell, 1997
                                 1 Genus Peroryctes Thomas, 1906 - New Guinean bandicoots